Question

expand the following cube : (2x/3+1)^3​

Answer 1

Answer:

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Step-by-step explanation:

${( \frac{2x}{3} + 1)}^{3} \\ = \frac{8 {x}^{3} }{27} + 1 + (3 \times \frac{4 {x}^{2} }{9} \times 1) + (3 \times \frac{2x}{3} \times {1}^{2} ) \\ = \frac{8 {x}^{3} }{27} + 1 + \frac{4 {x}^{2} }{3} + 2x$